Synonyms|696Antonyms|103|Broader|2Narrower|10Related|616
0
unprepared
0
unprompted
0
unpurposed
0
unrehearsed
0
unstudied
0
unsystematic
0
untamed
0
unwilling
0
unwitting
0
unwritten
0
will-less
0
without preparation(expression, adverb, ad-lib)
0
without rehearsal(expression, adverb, ad-lib)
-1
fluky(adjective, chance)
-1
snap
-1
unintentional(adjective, planned, intentional)
-1
unpremeditated
-1
ad lib(expression, adverb, deliberate, prepared, ad-lib)
-1
aimless
-1
extempore
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APASmart Define. (2016). planned thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/planned/thesaurus/antonyms
ChicagoSmart Define. 2016. "planned thesaurus" https://smartdefine.org/planned/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, planned thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/planned/thesaurus/antonyms>.
MLASmart Define. "planned thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/planned/thesaurus/antonyms>